TB62736FUG(O,EL) Toshiba, TB62736FUG(O,EL) Datasheet - Page 9

• Manufacturer Part Number: TB62736FUG(O,EL)
• Description: IC LED DRIVR WHITE BCKLGT 6-SSOP
• Manufacturer: Toshiba
• Type: Backlight, White LEDr

Specifications of TB62736FUG(O,EL)

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 770kHz ~ 1.43MHz
• Voltage - Supply: 2.8 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: SC-74-6
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 20mA
• Internal Switch(s): Yes
• Efficiency: 87%
• Number Of Segments: 6
• Operating Supply Voltage: 2.8 V to 5.5 V
• Maximum Power Dissipation: 470 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / Rohs Status: Details
• Other names: TB62736FUGTR

3. Application Circuit Example and Measurement Data (reference data)
Note: These application examples are provided for reference only. Thorough evaluation and testing should be
35
30
25
20
15
10
35
30
25
20
15
10
35
30
25
20
15
10
2.8
2.8 to 5.5 V
2.8
2.8
implemented when designing your application's mass production design.
V
IN
3.1
3.1
3.1
=
Input Voltage - Efficiency/Output Current
Input Voltage - Efficiency/Output Current
Input Voltage - Efficiency/Output Current
3.4
3.4
3.4
3.7
3.7
3.7
2LED Drive, L=4.7µH
3LED Drive, L=6.8µH
4LED Drive, L=6.8µH
4
4
4
VIN(V)
VIN(V)
VIN(V)
4.3
4.3
4.3
SHDN
V
IN
4.6
4.6
GND
4.6
L
4.9
1
4.9
4.9
IOUT
I F
Efficiency
Efficiency
IOUT
I F
Efficiency
Efficiency
IOUT
I F
Efficiency
Efficiency
SW
FB
5.2
5.2
5.2
S-Di
5.5
5.5
5.5
100
90
80
70
60
50
100
90
80
70
60
50
100
90
80
70
60
50
<Measurement Data>
Efficiency in the range of V IN = 2.8 to 5.5 V
Output current in the range of V IN = 3.0 to 5.0 V (V
9
WLEDs
2 to 6
35
30
25
20
15
10
2 LEDs
3 LEDs
4 LEDs
5 LEDs
6 LEDs
2 LEDs
3 LEDs
4 LEDs
5 LEDs
6 LEDs
35
30
25
20
15
10
2.8
2.8
3.1
3.1
Input Voltage - Efficiency/Output Current
Input Voltage - Efficiency/Output Current
3.4
3.4
Output Current (mA)
•
Evaluation conditions (Ta = 25°C)
L
C
C
S-Di
WLEDs : NSCW215T (NICHIA Corp.)
RSENS : RK73B1ETBK (KOA Corp.)
1
3.7
82.37 to 88.70
80.19 to 86.55
78.11 to 84.54
74.79 to 84.94
74.14 to 83.47
1
2
Efficiency (%)
3.7
V
5LED Drive, L=10µH
6LED Drive, L=10µH
IN
21.19
20.90
20.63
20.09
19.93
= 3.6 V
4
4
: LQH2M series
: C2012JB1E105K (TDK Corp.)
: C2012JB1E105K (TDK Corp.)
: CUS02 1 A/30 V (TOSHIBA Corp.)
VIN(V)
VIN(V)
(Murata Manufacturing Co.,Ltd.)
(Size: 2.0 mm × 1.6 mm × 0.95 mm)
4.3
4.3
4.6
4.6
4.9
4.9
Average Efficiency (%)
− 3.26
− 1.87
− 1.78
− 1.88
− 1.99
IOUT
Efficiency
I F
Efficiency
I F
IOUT
Efficiency
Efficiency
Min
TB62736FUG
Tolerance (%)
5.2
5.2
IN
86.38
84.12
80.16
79.94
77.17
5.5
5.5
2006-06-14
= 3.6 V typ.)
100
90
80
70
60
50
100
90
80
70
60
50
Max
1.69
2.17
1.01
1.25
1.07